Simple Machines Slideshow

12345678910111213
Across
  1. 2. A screw converts ____________ motion into linear motion
  2. 4. A grooved wheel with a rope or cable wrapped around it
  3. 5. These things, commonly found on playgrounds, are examples of first class levers. Write as one word, no dash
  4. 7. A ______________ is an inclined plane wrapped around a cylinder
  5. 9. There are _____________ different types of lever classes
  6. 11. An ____________ plane is a sloped surface
  7. 12. A rigid bar that pivots on a fixed point
  8. 13. The mechanical advantage of a wheel and axle depends on the relative ___________ of the wheel and axle
Down
  1. 1. A __________ pulley can reduce the amount of force needed to lift a load
  2. 3. A double inclined plane that moves to exert a force
  3. 6. A ___________ and axle consists of a ___________ attached to a smaller rod, or axle
  4. 7. ______________ machines are basic mechanical devices that change the direction or magnitude of a force
  5. 8. __________ wedges require less force but make up for it by having to move a greater distance
  6. 10. The tradeoff of an inclined plane is that it decreases the force but increases the ________________